Free Printable A. M. K. H. 8b ja 8c

1.

Korruta $3x^4y^4\ \times12xy^5=$

a)

$36\ x^{3\ }y^2$

b)

$35\ x\ y^2$

c)

$36\ x^5\ y^9$

d)

$36\ y^{3\ }x^9$

2.

Koonda sarnased liikmed $\left(2x-3y+5\right)-\left(3x-y-4\right)=$

a)

$2y\ +x\ +9$

b)

$2\ y^2\ +x\ +9$

c)

$-x\ -2y\ +9$

d)

$9\ -2y\ +x$

3.

$9\ -\ x^2=$

a)

$\left(-x-3\right)\left(3-x\right)$

b)

$\left(x-3\right)\left(3-x\right)$

c)

$\left(x+3\right)\left(3-x\right)$

d)

$\left(x+3\right)\left(3+x\right)$

4.

$r^2-81=$

a)

$\left(r+9\right)\left(r-9\right)$

b)

$\left(9+r\right)\left(9^2-r\right)$

c)

$\left(9+r\right)\left(9+r\right)$

d)

$\left(9-r\right)\left(9-r^2\right)$

5.

$\left(b+8\right)^2=$

a)

$b^2-64+16b$

b)

$b+64-16b$

c)

$b+64+16b^2$

d)

$64+b^2+16b$

6.

$\left(y-3\right)^2\ +6y=$

a)

$y^2+9\$

b)

$y^2$

c)

$y^2-9$

d)

$y+9^2$

7.

$\left(a+b\right)\left(a-b\right)=$

a)

$a+b$

b)

$a^3-b$

c)

$a^2-b^2$

d)

$a^2+b$

8.

$\left(a-b\right)^2=$

a)

$a^2-b^2+2ab$

b)

$a^2+b^2-2ab$

c)

$a^2-b+2ab$

d)

$a^2+b^2+2ab$

9.

$Avalda\ y,\ kui\ \ \ \ 3x+2y=-7$

a)

$-\frac{7}{2}-\frac{3}{2}x=y$

b)

$y=-\frac{7}{2}-\frac{3}{2}x$

c)

$\frac{7}{2}-\frac{3}{2}y=x$

d)

$\frac{7}{2}+\frac{3}{2}y=x$

10.

$Avalda\ s,\ kui\ \ \ \ \ \frac{1}{2}s+0,6t=2$

a)

$s=4+1,2t$

b)

$4=s-1,2t$

c)

$s=1,2t-4$

d)

$s=4-1,2t$

A. M. K. H. 8b ja 8c

Total questions: 10

Worksheet time: 8mins

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